A low-mass helium star progenitor model for the Type Ibn SN 2020nxt-Reference-Cited by-同舟云学术

A low-mass helium star progenitor model for the Type Ibn SN 2020nxt

Published:2024-04-18 Issue:4 Volume:530 Page:3906-3923
ISSN:0035-8711
Container-title:Monthly Notices of the Royal Astronomical Society
language:en
Short-container-title:

Author:

Wang Qinan¹^ORCID,Goel Anika²³,Dessart Luc⁴^ORCID,Fox Ori D²^ORCID,Shahbandeh Melissa¹²^ORCID,Rest Sofia⁵,Rest Armin¹²^ORCID,Groh Jose H⁶,Allan Andrew⁶^ORCID,Fransson Claes⁷^ORCID,Smith Nathan⁸^ORCID,Hosseinzadeh Griffin⁸^ORCID,Filippenko Alexei V⁹^ORCID,Andrews Jennifer¹⁰^ORCID,Bostroem K Azalee⁸^ORCID,Brink Thomas G⁹^ORCID,Brown Peter¹¹¹²^ORCID,Burke Jamison¹³¹⁴^ORCID,Chevalier Roger¹⁵^ORCID,Clayton Geoffrey C¹⁶^ORCID,Dai Mi¹^ORCID,Davis Kyle W¹⁷^ORCID,Foley Ryan J¹⁷^ORCID,Gomez Sebastian¹^ORCID,Harris Chelsea¹⁸^ORCID,Hiramatsu Daichi¹⁹²⁰^ORCID,Howell D Andrew¹³¹⁴^ORCID,Jennings Connor⁹,Jha Saurabh W²¹^ORCID,Kasliwal Mansi M²²^ORCID,Kelly Patrick L²³^ORCID,Kool Erik C⁷^ORCID,Liu Evelyn⁹,Ma Emily⁹,McCully Curtis¹³^ORCID,Miller Adam M²⁴²⁵^ORCID,Murakami Yukei¹⁹^ORCID,Gonzalez Estefania Padilla¹³¹⁴^ORCID,Pellegrino Craig¹³¹⁴^ORCID,Perera Derek⁹^ORCID,Pierel Justin²^ORCID,Rojas-Bravo César¹⁷^ORCID,Siebert Matthew R²^ORCID,Sollerman Jesper⁷^ORCID,Szalai Tamás²⁶²⁷^ORCID,Tinyanont Samaporn²⁸^ORCID,Van Dyk Schuyler D²⁹^ORCID,Zheng WeiKang⁹^ORCID,Chambers Kenneth C³⁰^ORCID,Coulter David A¹⁷^ORCID,de Boer Thomas³⁰^ORCID,Earl Nicholas³¹^ORCID,Farias Diego³²^ORCID,Gall Christa³²^ORCID,McGill Peter¹⁷^ORCID,Ransome Conor L³³^ORCID,Taggart Kirsty¹⁷^ORCID,Villar V Ashley³³^ORCID

Affiliation:

1. Physics and Astronomy Department, Johns Hopkins University , Baltimore, MD 21218 , USA

2. Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218 , USA

3. Department of Physics and Astronomy, University of Kansas , Lawrence, KS 66045 , USA

4. Institut d’Astrophysique de Paris, CNRS-Sorbonne Université , 98 bis boulevard Arago, F-75014 Paris , France

5. Department of Computer Science, Johns Hopkins University , Baltimore, MD 21218 , USA

6. School of Physics, Trinity College Dublin, The University of Dublin , Dublin 2 , Ireland

7. Department of Astronomy, Oskar Klein Centre, Stockholm University , AlbaNova, SE-106 91 Stockholm , Sweden

8. Steward Observatory, University of Arizona , 933 N. Cherry Ave., Tucson, AZ 85721 , USA

9. Department of Astronomy, University of California , Berkeley, CA 94720 , USA

10. Gemini Observatory , 670 North A’ohoku Place, Hilo, H i 96720, USA

11. Department of Physics and Astronomy, Texas A&M University , 4242 TAMU, College Station, TX 77843 , USA

12. George P. and Cynthia Woods Mitchell Institute for Fundamental Physics & Astronomy , College Station, TX 77843 , USA

13. Las Cumbres Observatory , 6740 Cortona Drive, Suite 102, Goleta, CA 93117 , USA

14. Department of Physics, University of California , Santa Barbara, CA 93106 , USA

15. Department of Astronomy, University of Virginia , PO Box 400325, Charlottesville, VA 22904 , USA

16. Department of Physics & Astronomy, Louisiana State University , Baton Rouge, LA 70803 , USA

17. Department of Astronomy and Astrophysics, University of California , Santa Cruz, CA 95064 , USA

18. Department of Physics and Astronomy, Michigan State University , East Lansing, MI 48824 , USA

19. Center for Astrophysics | Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138 , USA

20. The NSF AI Institute for Artificial Intelligence and Fundamental Interactions, Massachusetts Institute of Technology , 77 Massachusetts Ave, Cambridge MA 02139 , USA

21. Department of Physics and Astronomy, Rutgers the State University of New Jersey , 136 Frelinghuysen Road, Piscataway, NJ 08854 , USA

22. Division of Physics, Mathematics, and Astronomy, California Institute of Technology , Pasadena, CA 91125 , USA

23. Minnesota Institute for Astrophysics, University of Minnesota , 115 Union St. SE, Minneapolis, MN 55455 , USA

24. Department of Physics and Astronomy, Northwestern University , 2145 Sheridan Rd, Evanston, IL 60208 , USA

25. Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA), Northwestern University , 1800 Sherman Ave, Evanston, IL 60201 , USA

26. Department of Experimental Physics, University of Szeged , H-6720 Szeged, Dóm tér 9. , Hungary

27. ELKH-SZTE Stellar Astrophysics Research Group , H-6500 Baja, Szegedi út, Kt. 766 , Hungary

28. National Astronomical Research Institute of Thailand , 260 Moo 4, Donkaew, Maerim, Chiang Mai 50180 , Thailand

29. Caltech/IPAC , Mailcode 100-22, Pasadena, CA 91125 , USA

30. Institute for Astronomy, University of Hawaii , 2680 Woodlawn Drive, Honolulu, HI 96822 , USA

31. Department of Astronomy, University of Illinois at Urbana-Champaign , 1002 W. Green Str, IL 61801 , USA

32. DARK, Niels Bohr Institute, University of Copenhagen , Jagtvej 128, 2200 Copenhagen , Denmark

33. Department of Astronomy & Astrophysics, The Pennsylvania State University , University Park, PA 16802 , USA

Abstract

ABSTRACT A growing number of supernovae (SNe) are now known to exhibit evidence for significant interaction with a dense, pre-existing, circumstellar medium (CSM). SNe Ibn comprise one such class that can be characterized by both rapidly evolving light curves and persistent narrow He i lines. The origin of such a dense CSM in these systems remains a pressing question, specifically concerning the progenitor system and mass-loss mechanism. In this paper, we present multiwavelength data of the Type Ibn SN 2020nxt, including HST/STIS ultraviolet spectra. We fit the data with recently updated CMFGEN models designed to handle configurations for SNe Ibn. The UV coverage yields strong constraints on the energetics and, when combined with the CMFGEN models, offer new insight on potential progenitor systems. We find the most successful model is a ≲4 M⊙ helium star that lost its $\sim 1\, {\rm M}_\odot$ He-rich envelope in the years preceding core collapse. We also consider viable alternatives, such as a He white dwarf merger. Ultimately, we conclude at least some SNe Ibn do not arise from single, massive (>30 M⊙) Wolf–Rayet-like stars.

Funder

NASA

STScI

Publisher

Oxford University Press (OUP)

Link

https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stae1038/57365451/stae1038.pdf

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